WO2023075343A1 - 전극 조립체 합지 롤러 - Google Patents
전극 조립체 합지 롤러 Download PDFInfo
- Publication number
- WO2023075343A1 WO2023075343A1 PCT/KR2022/016310 KR2022016310W WO2023075343A1 WO 2023075343 A1 WO2023075343 A1 WO 2023075343A1 KR 2022016310 W KR2022016310 W KR 2022016310W WO 2023075343 A1 WO2023075343 A1 WO 2023075343A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode assembly
- roller
- surface temperature
- electrode
- center
- Prior art date
Links
- 238000003475 lamination Methods 0.000 title claims abstract description 34
- 238000010030 laminating Methods 0.000 claims abstract description 57
- 238000010438 heat treatment Methods 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 34
- 238000003825 pressing Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 description 20
- 230000001070 adhesive effect Effects 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 102200082816 rs34868397 Human genes 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 102220005308 rs33960931 Human genes 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0481—Compression means other than compression means for stacks of electrodes and separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to an electrode assembly bonding roller for bonding an electrode and a separator.
- secondary batteries are also classified according to the structure of the electrode assembly of the cathode/separator/cathode structure.
- a jelly structure in which long sheet-shaped cathodes and cathodes are wound with a separator interposed therebetween.
- -Roll (wound type) electrode assembly stacked (stacked) electrode assembly in which a plurality of positive electrodes and negative electrodes cut in units of a predetermined size are sequentially stacked with a separator interposed therebetween, positive electrodes and negative electrodes of a predetermined unit with a separator interposed therebetween
- a stack/folding type electrode assembly having a structure in which bi-cells or full cells stacked in one state are wound with a separator sheet may be mentioned.
- the electrode assembly composed of an anode/separator/cathode may be simply laminated, but a structure in which a plurality of electrodes (anode and cathode) are laminated with a separator interposed and then laminated by heating/pressing. may be made with
- the lamination of the electrode and the separator is achieved by heating and pressurizing the adhesive layer applied on the separator and the electrode in a state of facing each other. Therefore, the separator is generally coated with a binder material to improve adhesion to the electrode.
- an electrode taken out from an electrode roll and cut is generally placed on a separator sheet, and a lamination roller presses and heats the separator sheet and the electrode to bond the electrode and the separator sheet.
- the separator sheet is cut while the electrodes are adhered to complete the electrode assembly.
- both ends in the width direction of the electrode assembly is thinner than the thickness of the center portion, pressing and heating are not sufficiently performed compared to the center portion, so that adhesive strength at both ends in the width direction may decrease.
- an object of the present invention is to provide an electrode assembly laminating roller capable of improving the adhesive strength of both ends of the electrode assembly in the full width direction.
- the present invention is an electrode assembly laminating roller for laminating an electrode and a separator
- the lamination roller is centered relative to the longitudinal direction; And a distal end located at both ends of the center; includes,
- the lamination roller includes a heating member therein,
- the surface temperature of the distal portion provides an electrode assembly laminating roller, characterized in that the surface temperature of the central portion is expressed higher.
- the length of the laminating roller may have a length corresponding to the length of the electrode assembly in the longitudinal direction excluding the tab.
- the surface temperature of the end portion may be 10 to 30 °C higher than the surface temperature of the central portion.
- the surface temperature of the end portion is expressed as 60 to 80 °C
- the surface temperature of the center portion may be expressed as 40 to 60 °C.
- the material of the central part and the distal part may be different from each other.
- the material of the distal portion may have higher thermal conductivity than the material of the central portion.
- the heating member may apply heat of the same temperature to the central part and the distal part, or may develop a surface temperature of the distal part higher than that of the central part.
- the material of the central part and the distal part may be the same as each other.
- the heating member may be to develop a surface temperature higher than the surface temperature of the central portion of the distal portion.
- the ratio of the length of each end to the center may be 2:1 to 5:1.
- the laminating roller may pressurize and heat the separator and the electrode that are fed in the full width direction of the electrode assembly.
- the electrode assembly may be a bi-cell.
- the laminating roller may be made of a pair including an upper laminating roller and a lower laminating roller.
- the laminating roller may be one or more pairs.
- the surface temperature of the distal end located at both ends of the center is higher than the surface temperature of the center, so that the problem of adhesiveness deterioration occurring at both ends in the full width direction of the electrode assembly can be improved.
- FIG. 1 is a perspective view schematically illustrating a manufacturing process of an electrode assembly.
- FIG. 2 is a perspective view of an electrode assembly laminating roller according to an embodiment of the present invention.
- FIG. 3 is a photograph of an electrode assembly.
- FIG. 1 is a perspective view schematically illustrating a manufacturing process of a general electrode assembly.
- 1 shows a manufacturing process of a monocell composed of one electrode and one separator.
- an electrode 121 taken out and cut from an electrode roll 120 is disposed on a separator sheet 111 taken out from a separator roll 110, and an electrode disposed on the separator sheet 111 While moving to the heating and pressing section 130, the electrode 121 and the separator sheet pass through the lamination roller 140 that heats and presses the separator sheet 111 and the electrode 121 to laminate them. (111) is combined.
- the separator sheet 111 is cut while the electrodes 121 are attached thereto, thereby completing the electrode assembly 151.
- Electrodes 121 shows the process of stacking the electrode 121 on the separator sheet 111, but, unlike this, electrodes may be placed on the separator cut into unit separators and then laminated. am.
- FIG. 2 is a perspective view showing an electrode assembly laminating roller 200 according to an embodiment of the present invention.
- the electrode assembly bonding roller 200 is to bond an electrode and a separator, and includes a central portion 210 in the longitudinal direction; and distal end portions 220 located at both ends of the central portion 210, and the surface temperature of the distal portion 220 may be higher than that of the central portion 210.
- the laminating roller 200 may include a heating member (not shown) therein.
- the electrode is disposed on the separator, and in this case, the length of the separator in the full width direction is longer than the length of the electrode in the full width direction. Accordingly, both ends of the electrode assembly in the width direction are not sufficiently heated and pressurized by the lamination roller compared to the center, so that lamination at both ends in the width direction of the electrode assembly is not properly performed, and there is a problem in that adhesive strength is lowered. In addition, when manufacturing a bi-cell type electrode assembly, the thickness of both ends of the electrode assembly in the width direction is thinner than the thickness of the central portion, and the above problem may occur.
- FIG. 3 is a photograph of the electrode assembly, where F is both ends of the electrode assembly in the full width direction.
- the conventional laminating roller has the same temperature applied to the center of the laminating roller and the distal end located at both ends of the center, and the material of the center and the end is the same, so the above problem could not be solved.
- the surface temperature of the distal end 220 is higher than the surface temperature of the central part 210, so that both ends of the electrode assembly in the width direction have a higher temperature than the central part.
- the surface temperature of the distal end 220 may be 10 to 30 ° C higher than the surface temperature of the central part 210 . In the above temperature range, the adhesive strength of both ends of the electrode assembly in the width direction may be improved.
- the surface temperature of the distal end 220 is higher than the surface temperature of the central part 210 by less than 10 ° C, the effect of improving the adhesive strength of both ends in the width direction of the electrode assembly is insignificant, and the surface temperature of the distal part 220 is higher than the central part 220.
- the surface temperature of (210) is higher than 30 ° C., the binder material in the separator melts and can block the pores of the separator.
- the surface temperature of the distal end 220 is expressed as 60 to 80 ° C, and the surface temperature of the center 210 may be expressed as 40 to 60 ° C.
- Materials of the central portion 210 and the distal portion 220 may be different from each other, and the material of the distal portion 220 may be a material having higher thermal conductivity than that of the central portion 210 . Specifically, the thermal conductivity of the material of the end portion 220 may be higher than that of the material of the central portion 210 by 3 to 20 W/mK.
- the material of the end portion 220 may be carbon steel for machine structure or carburizing steel, for example, S45C or S50C.
- the material of the central part 210 may be carbon steel for mechanical structure, for example, S45C or S15CK.
- the thermal conductivity of the S45C is 49.8W/mK
- the thermal conductivity of the S50C is 52W/mK
- the thermal conductivity of the S15CK is 32W/mK.
- the heating member applies the same temperature to the central part 210 and the distal part 220, or the surface temperature of the distal part 220 It may be to express higher than the surface temperature of the central portion 210.
- the heating member applies the same temperature to the central portion 210 and the distal portion 220, since the material of the distal portion 220 has higher thermal conductivity than the material of the central portion 210, the surface temperature of the distal portion 220 is the central ( 210) can be expressed higher than the surface temperature.
- one heating member may be included in the electrode assembly laminating roller 200 . Accordingly, the heat distribution is linearly distributed in the electrode assembly laminating roller 200, and a rapid difference in surface temperature does not occur for each position of the electrode assembly, thereby preventing damage to the electrode assembly.
- the material of the end portion 220 and the material of the central portion 210 may be the same.
- the heating member may cause the surface temperature of the distal part 220 to be higher than that of the central part 210 .
- heating members having different calorific values may be used inside the distal part 220 and the central part 210. That is, the heating member included in the distal end 220 may have a higher heating value than the heating member included in the central portion 210 .
- a plurality of heating members having different calorific values may be used, or a heating member providing different calorific values depending on the positions of the end portion 220 and the central portion 210 may be used as one heating member.
- sufficient space In order to insert the plurality of heating members, sufficient space must be secured inside the end portion 220 and the center portion 210, and for this purpose, the empty space inside the end portion 220 and the center portion 210 must be expanded.
- the weight of the lamination roller 200 decreases, and as a result, the pressure applied to the electrode and the separator decreases, so that lamination of the electrode and the separator may not be performed.
- manufacturing is complicated, and damage may occur to the electrode assembly due to a rapid temperature difference applied to the central portion and both ends of the electrode assembly.
- the material of the distal end 220 and the center 210 are different from each other, the material of the distal end 220 has higher thermal conductivity than the material of the center 210, and the heating It may be most preferable that heat of the same temperature is applied to the central portion 210 and the distal portion 220 of the member.
- the heating member may be a cartridge insertion type heater, a sheath heater or an induction heating heater, but is not limited thereto.
- the sheath heater heats the outer cylinder with radiant heat by winding a coil around an inner core.
- the coil is located at the center 210 and the end 220.
- the electrode assembly is a single cell composed of one electrode and one separator, a mono-cell in which a separator is interposed between an anode and a cathode, or three electrodes having different polarities of adjacent electrodes. It may be a bi-cell in which two separators are interposed between the electrodes, and the mono-cell and bi-cell are further added to the other side of the electrode that does not face the separator interposed between the electrodes. form may be included.
- the bi-cell is a cell in which the same electrode is located at the outermost electrode, such as a unit cell of an anode/separator/cathode/separator/anode and a unit cell of cathode/separator/anode/separator/cathode.
- a unit cell with an anode/separator/cathode/separator/anode structure is defined as an "A-type bi-cell”
- a unit cell with a cathode/separator/anode/separator/cathode structure is defined as a "C-type bi-cell”. That is, a cell in which the electrode positioned at the center of the bi-cell is a cathode is referred to as an A-type bi-cell, and a cell with an anode is referred to as a C-type bi-cell.
- the type of the electrode assembly is not particularly limited, but may preferably be a bi-cell.
- the electrode assembly may include a tab, and more specifically, the positive electrode may include a positive electrode tab and the negative electrode may include a negative electrode tab.
- the length of the laminating roller 200 may have a length corresponding to the length of the electrode assembly in the longitudinal direction excluding the tab.
- the length of the laminating roller 200 may be the same as the length of the electrode assembly excluding the tab in the longitudinal direction, or 1 to 1.1 times, preferably 1: 1.05 times the length of the electrode assembly excluding the tab in the longitudinal direction.
- a length ratio of the central portion 210 to the distal portion 220 may be 2:1 to 5:1.
- an electrode assembly laminating roller according to an embodiment of the present invention (200) may be to pressurize and heat the separator and the electrode that are fed in the full width direction of the electrode assembly.
- the distal end of the lamination roller 200 is in contact with both ends of the separator and the electrode in the full width direction, and by heating and pressurizing them, the problem of deterioration in adhesive strength occurring at both ends in the full width direction can be improved.
- the conventional electrode assembly laminating roller had 70 to 80% of the adhesive strength of both ends in the width direction compared to the adhesive strength of the center of the electrode assembly.
- the electrode assembly laminating roller 200 according to an embodiment of the present invention may have 85 to 95% of the adhesive strength of both ends in the width direction compared to the adhesive strength of the center of the electrode assembly. That is, the electrode assembly laminating roller 200 according to an embodiment of the present invention can improve the adhesive strength of both ends of the electrode assembly in the full width direction.
- the laminating roller 200 may be composed of a pair including an upper laminating roller and a lower laminating roller, and the laminating roller may be one or more pairs.
- the laminating roller 200 may be composed of two or more pairs, and n laminating rollers 200 may be formed from the first laminating roller through which the electrode and the separator first pass through to the n-th laminating roller sequentially disposed. can be placed.
- the lamination roller 200 may set a time for pressurizing and heating the electrode and the separator, and may also have a rotational speed adjustable.
- a laminating roller including a central portion and an end portion located at both ends of the central portion based on the longitudinal direction of the laminating roller was manufactured.
- the material of the center part was S15CK
- the material of the end part was made of S45C
- a cartridge insert type heater was used as a heating member.
- the length ratio of the central part and each end part was 3:1, and the surface temperature expressed in the central part was 60 ° C, and the surface temperature expressed in the distal part was 80 ° C.
- the material of the central and distal parts was S45C, the heating member was a cartridge insertion type heater, and the electrode assembly laminating roller was manufactured in which the surface temperature of the central and distal parts was expressed as 80 ° C.
- Each electrode assembly was prepared by laminating the electrode and the separator using the electrode assembly laminating roller prepared in Example 1 and Comparative Example 1.
- the length of the electrode assembly in the longitudinal direction was the same as the length of the electrode assembly laminating roller of Example 1 and Comparative Example 1.
- the separator and the electrode were fed in their entire width direction, and the lamination rollers of Example 1 and Comparative Example 1 heated and pressed the lamination roller to prepare each electrode assembly.
- the electrode assembly laminating roller according to an embodiment of the present invention can improve the adhesive strength of both ends of the electrode assembly in the full width direction.
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
Description
제1 끝단 | 중심부 | 제2 끝단 | |
실시예 1 | 22.3 | 24.781 | 22.3 |
비교예 1 | 19.165 | 24.781 | 19.902 |
Claims (14)
- 전극과 분리막을 합지하는 전극 조립체 합지 롤러로서,상기 합지 롤러는 길이 방향을 기준으로 중심부; 및 상기 중심부의 양 끝단에 위치하는 말단부;를 포함하며,상기 합지 롤러는 내부에 가열부재를 포함하며,상기 말단부의 표면 온도는 중심부의 표면 온도 보다 높게 발현되는 것을 특징으로 하는 전극 조립체 합지 롤러.
- 제1항에 있어서,상기 합지 롤러의 길이는 탭을 제외한 전극 조립체의 전장 방향 길이에 상응하는 길이를 갖는 것을 특징으로 하는 전극 조립체 합지 롤러.
- 제1항에 있어서,상기 말단부의 표면 온도는 중심부의 표면 온도 보다 10 내지 30℃ 높게 발현되는 것을 특징으로 하는 전극 조립체 합지 롤러.
- 제1항에 있어서,상기 말단부의 표면 온도는 60 내지 80℃로 발현되며, 중심부의 표면 온도는 40 내지 60℃로 발현되는 것을 특징으로 하는 전극 조립체 합지 롤러.
- 제1항에 있어서,상기 중심부 및 말단부의 소재는 서로 상이한 것을 특징으로 하는 전극 조립체 합지 롤러.
- 제5항에 있어서,상기 말단부의 소재는 중심부의 소재 보다 열 전도도가 높은 것을 특징으로 하는 전극 조립체 합지 롤러.
- 제6항에 있어서,상기 가열 부재는 상기 중심부 및 말단부에 동일한 온도의 열을 가하는 것, 또는상기 합지 롤러 말단부의 표면 온도를 중심부의 표면 온도 보다 높게 발현시키는 것을 특징으로 하는 전극 조립체 합지 롤러.
- 제1항에 있어서,상기 중심부 및 말단부의 소재는 서로 동일한 것을 특징으로 하는 전극 조립체 합지 롤러.
- 제8항에 있어서,상기 가열 부재는 상기 합지 롤러 말단부의 표면 온도를 중심부의 표면 온도 보다 높게 발현시키는 것을 특징으로 하는 전극 조립체 합지 롤러.
- 제1항에 있어서,상기 중심부 대비 각 말단부의 길이 비율은 2:1 내지 5:1인 것을 특징으로 하는 전극 조립체 합지 롤러.
- 제1항에 있어서,상기 합지 롤러는 전극 조립체의 전폭 방향으로 피딩되는 분리막 및 전극을 가압 및 가열하는 것을 특징으로 하는 전극 조립체 합지 롤러.
- 제1항에 있어서,상기 전극 조립체는 바이셀인 것을 특징으로 하는 전극 조립체 합지 롤러.
- 제1항에 있어서,상기 합지 롤러는 상부 합지 롤러 및 하부 합지 롤러를 포함하는 한 쌍으로 이루어진 것을 특징으로 하는 전극 조립체 합지 롤러.
- 제13항에 있어서,상기 합지 롤러는 한 쌍 이상인 것을 특징으로 하는 전극 조립체 합지 롤러.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280008785.XA CN116711115A (zh) | 2021-10-26 | 2022-10-25 | 电极组件层压辊 |
JP2023540914A JP2024501766A (ja) | 2021-10-26 | 2022-10-25 | 電極組立体合紙ローラー |
US18/284,193 US20240170708A1 (en) | 2021-10-26 | 2022-10-25 | Electrode Assembly Laminating Roller |
EP22887539.9A EP4258400A4 (en) | 2021-10-26 | 2022-10-25 | ELECTRODE ASSEMBLY LAMINATION ROLLER |
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